error message

Hello group...

I am new here, and this is my first post.

I have searched google, and this site with no success.

Here is the error message...

# apt-rdepends tcpdump | dot >
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Error: <stdin>:1: syntax error near line 1
context:  >>> tcpdump <<<
Warning: <stdin>:33: ambiguous ".1alpha" splits into two names: ".1" and "alpha"

Has anyone ever experienced this before?

What meaning should this convey to me?

I am not in IT. :)

As Always any help is welcomed!


I don't have access to

I don't have access to apt-rdepends, so I can only rely on the man pages I've looked at. I'm guessing that, by default, apt-rdepends produces a simple list representation, which the dot program cannot parse, as it expects its input to be in the DOT language. Try adding the -d flag to the apt-rdepends command. According to the man page, this should produce output in the DOT format. If this still doesn't work, save the output of apt-rdepends in a file and make that available so I can take a look at it. By the way, the graph produced by apt-rdepends may be large, so you might want to save it anyway before running dot on it. If the graph is too large, you may need to do some pruning first.

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